Tub spout



FIG. 1 is a perspective view of the new design for a tub spout;

FIG. 2 is a left elevational view of the new design for a tub spout, the right elevational view being a mirror image;

FIG. 3 is a top plan view of the new design for a tub spout; and,

FIG. 4 is a front elevational view of the new design for a tub spout. 

The ornamental design for a tub spout, as shown and described. 